Home / 103,090,821.64-142,268,027.34-56,051,058.76

Finding the Fourth Proportional to 103,090,821.64, 142,268,027.34 and 56,051,058.76

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Solution

The fourth proportional to 103,090,821.64, 142,268,027.34 and 56,051,058.76 is: 77,351,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,090,821.64 : 142,268,027.34 = 56,051,058.76 : x
  2. Step 2: Convert to fraction form
    103,090,821.64/142,268,027.34 = 56,051,058.76/x
  3. Step 3: Cross multiply
    103,090,821.64x = 142,268,027.34 × 56,051,058.76
  4. Step 4: Simplify right side
    103,090,821.64x = 7,974,273,560,103,626
  5. Step 5: Solve for x
    x = 7,974,273,560,103,626/103,090,821.64
  6. Step 6: Final answer
    x = 77,351,925.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.